Skip to content
SundayMarathon
← Back to 2027
Marathon calendar

May 2027

543 races on the calendar.

Apr 2027 Today Jun 2027




Race days

Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
10th Wild Horse Traverse - 50km 12th Grayson Highlands 50km Race - 50km 23rd Greenland Trail Race - 50km +78 more
2
2nd Collegeville Ultra - 50km 2nd The Pilgrimage - Crewed - 150h 3rd World Heritage Pilgrimage Triangle 225km - 225km +83 more
3
Avenue des Géants Chiemgau Trail Run Cinco De Mayo: Run Against All Odds HOUSTON +22 more
4
Chiltern Ridge Ultra Trail Globus Marathon St. Wendel Hirakata May Eco-Marathon
5
3. Die Bergischen 5 Erwachsenenrunde - 275km/5stages 3. Die Bergischen 5 Etappe 1 - 50km 6. Pallas 67 Ultrameerdaagse - 270km/5stages +3 more
6
3. Die Bergischen 5 Etappe 2 - 60km Great Wall Trail St. Gallen Marathon
7
12th Hardcore Ultra Trail (HUT) - 50 Miles - 77km 3. Die Bergischen 5 Etappe 3 - 70km Below-Gedenk-und-Heidelauf +14 more
8
10 Trosa Backyard Ultra - 34h 12th Hardcore Ultra Trail (HUT) - 60 K - 64km West Virginia Trail Fest +53 more
9
3 Toppe løbet 3. Die Bergischen 5 Etappe 5 - 45km Altländer Blütenlauf +62 more
10
19th 3 Days at the Fair 6 Days Race - 6d Conquer The Wall Marathon Grand Trail Des Lacs Et Châteaux - Summer Edition +7 more
11
Champ'Aisne Trail Festi-Trail Goring Gap Run +5 more
12
17th Born to Run Ultra 4 days Marathon - 4d Born to Run Ultra Marathons Hannibal EY Raid +9 more
13
17th Born to Run Ultra 3 days Marathon - 3d 19th 3 Days at the Fair 72 Hour Race - 72h Jingxigudao +7 more
14
17th Born to Run Ultra 100 Mile Marathon - 100mi 19th 3 Days at the Fair 48 Hour Race - 48h Behördenmarathon Halle +7 more
15
17th Born to Run Ultra 30 Mile Marathon - 30mi 19th 3 Days at the Fair 6 Hour Race - 6h 2 SanktPauli 50 - 51km +54 more
16
EDP Vitoria Gasteiz Marathon Martin Fiz 3rd Five Rivers Ultra 50km - 50km Alps Marathon +61 more
17
Endurancelife | Classic Quarter Garda Trentino Trail Keswick Mountain Festival +6 more
18
Kandovan skyrace MTC Carman Run in Mont Saint-Michel +5 more
19
MTC Bodach Trail del Fluminese
20
Eroica Nicolosi Etna MTC Aibell
21
22
11th Run for Amma 50 Km - 50km 6th Big Wolf’s Backyard Ultra – Lévis - 24h Helgoland Marathon
23
24
25
26
27
28
PAUL150 - Panoramasteig Ultra 150 Meilen - 150mi Run Britannia - 1000mi/31stages
29
Iron Will Backroads PAUL50 - Panoramasteig Ultra 50 Meilen - 50mi Tenzing Hillary Everest Marathon
30
Edinburgh Half Marathon
31

Agenda

Page 17 of 23 — 24 of 543 races. Use the grid or race-day list above to jump to any date.

Fri, May 14 9 races

  1. 19th 3 Days at the Fair 48 Hour Race - 48h United States Registration: Link needed Plan: Plan in My Races
  2. Behördenmarathon Halle Germany Registration: Registration link Plan: Plan in My Races
  3. Itzer Trail Morocco Registration: Registration link Plan: Plan in My Races
  4. MTC Ollipheist Ireland Registration: Registration link Plan: Plan in My Races
  5. Prairie Series - ND Wahpeton, North Dakota, United States Registration: Registration link Plan: Plan in My Races
  6. The MTC Severn Plod Ultra United Kingdom Registration: Registration link Plan: Plan in My Races
  7. Trail Alsace Grand Est by UTMB® France Registration: Registration link Plan: Plan in My Races
  8. Trail of Haute Provence (THP) France Registration: Registration link Plan: Plan in My Races
  9. Ultra-Trail Snowdonia Eryri by UTMB® United Kingdom Registration: Registration link Plan: Plan in My Races

Sat, May 15 15 races

  1. 17th Born to Run Ultra 30 Mile Marathon - 30mi United States Registration: Link needed Plan: Plan in My Races
  2. 19th 3 Days at the Fair 6 Hour Race - 6h United States Registration: Link needed Plan: Plan in My Races
  3. 2 SanktPauli 50 - 51km Germany Registration: Link needed Plan: Plan in My Races
  4. 2 SanktPauli100 - 100km Germany Registration: Link needed Plan: Plan in My Races
  5. 3 Bremen - Sankt Pauli 100mi - 100mi Germany Registration: Link needed Plan: Plan in My Races
  6. 3. Heidi 222 - 222km Germany Registration: Link needed Plan: Plan in My Races
  7. 3rd Five Rivers Ultra 50mi - 50mi United Kingdom Registration: Link needed Plan: Plan in My Races
  8. 4th Butterfield Backyard - 7h United States Registration: Link needed Plan: Plan in My Races
  9. 5. Lafferde Loop Challenge - 26h Germany Registration: Link needed Plan: Plan in My Races
  10. Beach to Bay Relay Marathon Corpus Christi, Texas, United States Registration: Registration link Plan: Plan in My Races
  11. Berga Trail Spain Registration: Registration link Plan: Plan in My Races
  12. Berryman Marathon Potosi, Missouri, United States Registration: Registration link Plan: Plan in My Races
  13. Bijlmer Run (Half Marathon in Amsterdam) Netherlands Registration: Registration link Plan: Plan in My Races
  14. Chartreuse Trail Festival France Registration: Registration link Plan: Plan in My Races
  15. Cleveland Marathon Ohio, United States Registration: Registration link Plan: Plan in My Races

Missing a marathon in May 2027?

Race organizers can send the official source for a free listing review when this month is missing a race date or showing stale calendar details. We verify the official source before publishing — no fee.

  • Free listing review
  • Official source verification
  • Runner-ready listing
  • Organizer dashboard

Search first if the race may already be listed. Missing event or stale date? Submit the official source with this month context prefilled.

List your race — free How review works